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code is a mess currently. I check it in nevertheless since it works a little better than before. Will be cleaned up later.

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Markus Fröschle
2013-05-06 20:48:39 +00:00
parent 397e4d0bfb
commit 4d1da19b09
4 changed files with 77 additions and 41 deletions
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31
sources/xhdi_sd.c
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@@ -25,6 +25,7 @@
#include "xhdi_sd.h"
#include "bas_printf.h"
#include "bas_string.h"
#define DRIVER_VERSION 0x130
@@ -36,6 +37,7 @@ static xhdi_call_fun old_vector = NULL;
__attribute__((__interrupt__)) xhdi_call_fun xhdi_sd_install(xhdi_call_fun ov)
{
old_vector = ov;
uint32_t *_drvbits = (uint32_t *) 0x4c2;
__asm__ __volatile__ (
"move.l %[xhdi_call],d1\n\t"
@@ -44,6 +46,7 @@ __attribute__((__interrupt__)) xhdi_call_fun xhdi_sd_install(xhdi_call_fun ov)
: [xhdi_call]"g"(xhdi_call)
: "d1","memory");
*_drvbits |= (uint32_t) 1 << ('S' - 'A');
/*
* this is just to make the compiler happy, the return value is overwritten anyway. Therefore we previously overwrite
* the saved register value on the stack so everything is as we want it to be
@@ -112,8 +115,20 @@ uint32_t xhdi_inquire_device(uint16_t bios_device, uint16_t *major, uint16_t *mi
uint32_t xhdi_inquire_driver(uint16_t bios_device, char *name, char *version,
char *company, uint16_t *ahdi_version, uint16_t *maxIPL)
{
xprintf("xhdi_inquire_driver() called\r\n");
return ERROR;
xprintf("xhdi_inquire_driver() called. bios_device = %x, name = %p, version = %p,\r\n"
"company = %p, ahdi_version = %p, max_IPL = %p\r\n",
bios_device, name, version, company, ahdi_version, maxIPL);
if (bios_device == 'S' - 'A')
{
if (name != NULL) strcpy(name, "BaS SD-card driver");
if (version != NULL) strcpy(version, "0.1");
if (company != NULL) strcpy(company, "Markus Fröschle");
if (ahdi_version != NULL) *ahdi_version = 300;
if (maxIPL != NULL) *maxIPL = 7;
return E_OK;
}
return EUNDEV;
}
uint32_t xhdi_new_cookie(uint32_t newcookie)
@@ -125,8 +140,9 @@ uint32_t xhdi_new_cookie(uint32_t newcookie)
uint32_t xhdi_read_write(uint16_t major, uint16_t minor, uint16_t rwflag,
uint32_t recno, uint16_t count, void *buf)
{
xprintf("xhdi_read_write() called\r\n");
return ERROR;
xprintf("xhdi_read_write() called: major = %x, minor = %x, rwflag = %x, \r\nrecno = %lx, count = %lx, buf = %p\r\n",
major, minor, rwflag, recno, count, buf);
return EUNDEV;
}
uint32_t xhdi_inquire_target2(uint16_t major, uint16_t minor, uint32_t *block_size,
@@ -140,7 +156,12 @@ uint32_t xhdi_inquire_device2(uint16_t bios_device, uint16_t *major, uint16_t *m
uint32_t *start_sector, BPB *bpb, uint32_t *blocks, char *partid)
{
xprintf("xhdi_inquire_device2() called\r\n");
return ERROR;
if (bios_device == 'S' - 'A')
{
return E_OK;
}
return EUNDEV;
}
uint32_t xhdi_driver_special(uint32_t key1, uint32_t key2, uint16_t subopcode, void *data)